Can we eliminate poverty worldwide?

Scientific American: Can Extreme Poverty Be Eliminated? [ POVERTY ]
Market economics and globalization are lifting the bulk of humanity out of extreme poverty, but special measures are needed to help the poorest of the poor.

According to Scientific American eliminating poverty is a possibility. This falls into Thomas PM Burnett's thesis that the worldwide spread of liberal democracy with free markets promotes peace in the world. This is a trend in international thought that promotion of free markets and democracy can promote security in the world. I just wanted to bring this article to your attention.